How many movies have Apostolos Lekkas and Giannis Papaioannou collaborated on?

They have worked on 2 movies together! Their first movie together was Sharp as a Needle (1961) while their highest rated movie together was Κατηγορούμενος... ο Έρως (1962). They have not worked together since Κατηγορούμενος... ο Έρως (1962).